The Featured Image from URL (FIFU) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the featured image alt text in all versions up to, and including, 4.5.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2023-6561 is a medium severity with CVSS 6.4 Stored Cross-Site Scripting issue affecting the Plugin Featured Image from URL (FIFU). It affects Versions up to 4.5.3 and is fixed in 4.5.4.
CVE-2023-6561 is tracked for the Plugin Featured Image from URL (FIFU) as medium severity with CVSS 6.4. The affected range is Versions up to 4.5.3. Update Featured Image from URL (FIFU) to 4.5.4 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
featured-image-from-url
View on wordpress.org
|
| CVE | CVE-2023-6561 |
| Patched Versions |
4.5.4
|
| Affected Versions |
Versions up to 4.5.3
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Featured Image from URL (FIFU) <= 3.9.9 - Cross-Site Request Forgery
Featured Image from URL (FIFU) <= 5.2.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via Featured Image Custom Fields
Featured Image from URL (FIFU) <= 4.6.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via fifu_input_url
Featured Image from URL (FIFU) <= 4.0.0 - Stored Cross-Site Scripting
Featured Image from URL (FIFU) <= 5.2.7 - Missing Authorization to Password Protected Post Disclosure
Featured Image from URL (FIFU) <= 5.2.7 - Unauthenticated Information Exposure via Log File
Featured Image from URL <= 4.8.1 - Missing Authorization
Featured Image from URL (FIFU) <= 5.2.7 - Authenticated (Admin+) SQL Injection
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